/// <summary>
/// Installs a package.
/// </summary>
/// <param name="fileName"></param>
public List<PackageImportEventArgs> InstallPackage(string fileName)
{
// Validate that the package is still valid, just in case somebody else deleted it
string packagePath = Path.Combine(ProgramDataFolder.MapPath("Packages"),
fileName);
FileInfo packageDetails = new FileInfo(packagePath);
List<PackageImportEventArgs> events = null;
if (packageDetails.Exists)
{
// Load the package and install it
events = new List<PackageImportEventArgs>();
using (Stream packageStream = File.OpenRead(packagePath))
{
using (Package package = new Package(packageStream))
{
package.Message += delegate(object source, PackageImportEventArgs args)
{
events.Add(args);
};
package.Install();
// Update the list
XmlDocument packageList = LoadPackageList();
package.Manifest.IsInstalled = true;
UpdatePackagesList(package.Manifest, packageList, true);
SavePackageList(packageList);
}
}
}
return events;
}
/// <summary>
/// Stores a package locally on the server
/// </summary>
/// <param name="fileName">The file name of the package.</param>
/// <param name="stream">The stream containing the package.</param>
public PackageManifest StorePackage(string fileName, Stream stream)
{
// Initialise the path and make sure the folder is there
FileInfo packageDetails = new FileInfo(fileName);
string packagePath = Path.Combine(ProgramDataFolder.MapPath("Packages"),
packageDetails.Name);
packageDetails = new FileInfo(packagePath);
if (!packageDetails.Directory.Exists) packageDetails.Directory.Create();
// We will always overwrite an existing packages, maybe we should do a back-up first?
if (packageDetails.Exists) packageDetails.Delete();
SaveToFile(stream, packageDetails.FullName);
bool delete = false;
// Load the package and extract the manifest details
PackageManifest manifest = null;
using (Stream inputStream = File.OpenRead(packagePath))
{
using (Package newPackage = new Package(inputStream))
{
if (!newPackage.IsValid)
{
delete = true;
}
else
{
manifest = newPackage.Manifest;
manifest.FileName = packageDetails.Name;
}
}
}
if (manifest != null)
{
// Update the package list
XmlDocument packageList = LoadPackageList();
UpdatePackagesList(manifest, packageList, true);
SavePackageList(packageList);
}
// Don't forget to clean-up, otherwise the packages directory will have invalid packages
if (delete && packageDetails.Exists) packageDetails.Delete();
return manifest;
}
/// <summary>
/// Removes a package stored locally on the server
/// </summary>
/// <param name="fileName">The file name of the package.</param>
/// <returns>The name of the package.</returns>
public string RemovePackage(string fileName)
{
// Initialise the path and make sure the folder is there
FileInfo packageDetails = new FileInfo(fileName);
string packagePath = Path.Combine(ProgramDataFolder.MapPath("Packages"),
packageDetails.Name);
packageDetails = new FileInfo(packagePath);
string packageName = null;
if (packageDetails.Directory.Exists)
{
// Load the package and extract the manifest details
PackageManifest manifest = null;
using (Stream inputStream = File.OpenRead(packagePath))
{
using (Package newPackage = new Package(inputStream))
{
if (newPackage.IsValid)
{
manifest = newPackage.Manifest;
manifest.FileName = packageDetails.Name;
}
}
}
if (manifest != null)
{
// Update the package list
XmlDocument packageList = LoadPackageList();
UpdatePackagesList(manifest, packageList, false);
SavePackageList(packageList);
packageName = manifest.Name;
}
// Finally, remove the package
packageDetails.Delete();
}
return packageName;
}
